Dodge Truck P Codes (Powertrain) P0400 - P0499

Browse Dodge Truck P Codes (Powertrain) P0400 - P0499 questions and answers. Choose a question that matches your symptoms.

2 discussions

What Exactly Is Code P0421

2003 DODGE TRUCK

This Morning My Check Engine Light Came On And Its Reading P0421 Warm Up Catalyst Below Threshold Bank 1. What Exactly Is This? What Does...

1 ANSWER

Asked by beautifulhazleyes

2003 DODGE TRUCK

My 2003 Dodge Ram 1500 Gives The Below Error Could When Tested? What Needs To Be Replaced To Fix The Problem? P0420 Catalyst System...

1 ANSWER

Asked by Haslepi

Browse by repair topic

Can’t find your issue?